The Accurate Reloading Forums
Mauser straddle floorplate
16 January 2008, 04:14
Don MarkeyMauser straddle floorplate
I'm sure someone here has made them. What is the radiuses. It looks to be around 3" in the rear and 2-1/2" in the front. Does this sound like a good starting spot or am I way off base here. I'm trying to avoid the large pile of scrap that I usually get with trial and error.
-Don
16 January 2008, 07:32
richjWide end is about 1", hinge end is about .9"
1.210 wide and .2 thick
.995 wide and .150 thick.
Rich
16 January 2008, 18:03
aleaddictI have a couple Wisner floorplates. If no one else has these dims, I could model one for you. I'm pretty busy so you'll have to wait. HTH
-- ale
16 January 2008, 20:40
22WRFJim advised me that he is getting a bar of steel in soon to make another run of the Wisner Straddle Floorplates. So, if you don't need them right away it might be prudent just to wait for Jim to make them.
17 January 2008, 03:53
Don MarkeyThanks guys, I understand the overall dimensions. What I can't fiqure out, is what radiuses the outside is. I'm sure there is a mathematical formula for it, but I was never good in geometery. I guess I could make some templetes and measure one, I just thought there would be an easier way. It's a tapered part and if the thickness is consistant throughout, the radiuses are different front to back right? Or am I overthinking this? I've never been accused of that before.
-Don
17 January 2008, 05:36
aleaddictThis is only a rough dim, Don.
1.210 wide and .2 thick,
R = 1.160".995 wide and .150 thick,
R = 1.120"I'd post a pic of my model but it's not very pretty. HTH...
-- ale
17 January 2008, 08:26
richjThere is a slight flat on the edge of the fp that's not take into account.
1.210=1.01506 radius
.995=0.90002 radius
Go here.
http://www.handymath.com/cgi-bin/rad2.cgiHow would you make one.. could you bandsaw a 1/4" slice off of a 1" steel rod?
17 January 2008, 15:33
Willquote:
Originally posted by Don Markey:
Thanks guys, I understand the overall dimensions. What I can't fiqure out, is what radiuses the outside is. I'm sure there is a mathematical formula for it, but I was never good in geometery. I guess I could make some templetes and measure one, I just thought there would be an easier way. It's a tapered part and if the thickness is consistant throughout, the radiuses are different front to back right? Or am I overthinking this? I've never been accused of that before.
-Don
Seems like you could just go to the store (or internet) and buy an old fashion circle template and measure the floorplate. I can't tell whether you have a floorplate to go by.
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17 January 2008, 18:52
Rusty Marlincould somebody toss a pic up of a straddle floor plate for me?
Thanks,
Rusty
17 January 2008, 20:43
aleaddict
17 January 2008, 22:04
Rusty MarlinAh so.
I thought that's what it was.
Thank you.
17 January 2008, 22:45
J WisnerYou guys are close to the raduis I make mine floor plates for the 1909.
1.150"
But it is the same constant raduis front to back, figure that one out.
My fixture also machines 4 floor plates at a time to do the raduis.
I have the bar of steel in, just have to start cutting and sawing, then work them in the production CNC mill work.
One 12 foot bar I get 52 floor plates out of.
Jim Wisner
Custom Metalsmith
17 January 2008, 23:13
huntingcatJim,
Please leave the straddle slot to hinge distance longer so that they can be fitted to Mk X and Zastava type bottom metal.
18 January 2008, 03:08
Don Markeyquote:
Originally posted by J Wisner:
You guys are close to the raduis I make mine floor plates for the 1909.
1.150"
But it is the same constant raduis front to back, figure that one out.
My fixture also machines 4 floor plates at a time to do the raduis.
I have the bar of steel in, just have to start cutting and sawing, then work them in the production CNC mill work.
One 12 foot bar I get 52 floor plates out of.
Jim Wisner
Custom Metalsmith
Thanks Jim, I was kind of invisoning 4 at a time also. Same radius though, now I got some thinking to do. I didn't have one of yours to measure and the Blackburn ones looked to be a different radius front to back. When will you have some in stock?
-Don
18 January 2008, 03:22
Don MarkeyThanks, but I can't get on the site. I'd like to see how that is figured out so I can use different overall dimensions, for say an enfield.
quote:
Originally posted by richj:
There is a slight flat on the edge of the fp that's not take into account.
1.210=1.01506 radius
.995=0.90002 radius
Go here.
http://www.handymath.com/cgi-bin/rad2.cgiHow would you make one.. could you bandsaw a 1/4" slice off of a 1" steel rod?
18 January 2008, 04:34
craigsterDon,
Try just plain
www.handymath.com23 January 2008, 08:30
22WRFI had this one made by a local machinist. He got everything right except for the location of the indent for the spring.
